血清采自加拿大,由HyClone公司的员工采集加工.采集方法、加工过程、检定标准与SH30071完全一致.内毒素含量≤25EU/ml,血红蛋白含量≤25mg/dl.Characterized FBS is comparable to the highest quality FBS from other suppliers. It is lower in price than Defined FBS, but meets the requirements of most discriminating FBS users. Characterized FBS is filtered through three sequential 100nm (0.1 祄) pore-size rated filters.